This is what I have found: The typical duration of castor oil therapy is about 45-90 minutes 3-5 times a week for at least 8-16 weeks. Do not apply a Castor oil packs on broken skin. Avoid doing castor oil pack during menses. In women who are actively trying to conceive, it is best to avoid castor oil therapy after ovulation has been detected. Avoid applying heat on the abdomen during early pregnancy as this can affect the developing baby. in fact, castor oil treatment are contraindicated in pregnant and nursing moms.

If you have uterine bleeding or suffer from cancerous tumors do not do castor oil packs. For any serious conditions talk to your doctor before doing castor oil therapy. A castor pack is used over the abdomen and uterus to increase blood flow to the Uterus and move lymphatic fluid.